#------------------------------------------------------------------------------ #$Date: 2015-07-10 15:28:25 +0300 (Fri, 10 Jul 2015) $ #$Revision: 142360 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/21/1522140.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1522140 loop_ _publ_author_name 'Wang, M.' 'Mar, A.' 'McDonald, R.' _publ_section_title ; Nonstoichiometric rare-earth copper arsenides RE Cu1+x As2 (RE = La, Ce, Pr) ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 140 _journal_page_last 145 _journal_volume 147 _journal_year 1999 _chemical_formula_sum 'As2 Cu1.09 Pr' _chemical_name_systematic 'Pr Cu1.09 As2' _space_group_IT_number 129 _symmetry_space_group_name_Hall '-P 4a 2a' _symmetry_space_group_name_H-M 'P 4/n m m :2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 4.0086 _cell_length_b 4.0086 _cell_length_c 10.0496 _cell_volume 161.486 _citation_journal_id_ASTM JSSCBI _cod_data_source_file Wang_JSSCBI_1999_292.cif _cod_data_source_block As2Cu1.09Pr1 _cod_original_cell_volume 161.4858 _cod_chemical_formula_sum_orig 'As2 Cu1.09 Pr1' _cod_database_code 1522140 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y+1/2,x,z -x+1/2,-y+1/2,z y,-x+1/2,z x+1/2,-y,-z y+1/2,x+1/2,-z -x,y+1/2,-z -y,-x,-z -x,-y,-z y-1/2,-x,-z x-1/2,y-1/2,-z -y,x-1/2,-z -x-1/2,y,z -y-1/2,-x-1/2,z x,-y-1/2,z y,x,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Cu2 Cu+1 0.75 0.75 0.1134 0.09 0.0 As2 As-3 0.25 0.25 0.6506 1 0.0 As1 As-1 0.75 0.25 0 1 0.0 Pr1 Pr+3 0.25 0.25 0.24189 1 0.0 Cu1 Cu+1 0.75 0.25 0.5 1 0.0